Howard Markowitz, PHD
NPI 1609848993 · Clinical Psychologist · King of Prussia, PA
Howard Markowitz, PHD is a Clinical Psychologist provider in King of Prussia, PA (NPI 1609848993).
Provider details
- NPI number
- 1609848993
- Entity type
- Individual
- Primary specialty
- Clinical PsychologistBehavioral Health & Social Service Providers
- Credential
- PHD
- Sex
- Male
- Sole proprietor
- No
- License
- PS002295L (PA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-02
- Last updated
- 2007-07-08
Frequently asked questions
- What is Howard Markowitz's NPI number?
- Howard Markowitz's National Provider Identifier (NPI) is 1609848993, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Howard Markowitz's specialty?
- Howard Markowitz is listed in the NPPES registry with a primary specialty of Clinical Psychologist (Behavioral Health & Social Service Providers).
- Where is Howard Markowitz located?
- Howard Markowitz's practice location on file with NPPES is 491 Allendale Rd, King of Prussia, PA 19406-1426.
- What is Howard Markowitz's phone number?
- The practice phone number listed in the NPPES registry for Howard Markowitz is (610) 265-8394.
- Is Howard Markowitz's NPI active?
- Yes — Howard Markowitz's NPI (1609848993) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.